Arctic Tundra

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Transcript of Arctic Tundra

Let me give you some perspetive.... Wowing template. Click through in 20 steps. But we can move beyond the present.Why? Here is something small... It could be much larger! Here is some context. Provide some common ground.Or something from the present, that we should look beyond. There is water less than 10% a year. Sometimes the sun shines for the whole 24 hours. Also its called the land of "Midnight" because the sun can remain under the horizon for 2 months! Tundra has a type of soil called Permafrost. This soil has been frozen for 2 or more years! Average annual temperatures are -70°F (-56°C). Which ,means that is is always cold! By: Maria, Wendy, Octavio, & Jesus One thing.. Biotic Factors Tundra Wellherewego An Example: So.... 30 Photo credits: 'horizon' by pierreyves @ flickr So... One Two Three Four (cc) image by rocketboom on Flickr (cc) image by quoimedia on Flickr Levels of Organization Per.1 Ecosystem Interactions An example of mutualism in the Arctic Tundra is lichen. The fungal hyphae surrounds the agal cells protecting it and providing it with water and salts. The algal cells in return provide the hyphae with sugars and oxygen The barren ground caribou and the arctic fox have a commensalistic relationship. The fox follows the caribou who removes the snow covering to get at lichens under the soil. The fox then hunts the subnivean mammals that have been unearthed by the caribou. An example of parsitism in tundra is tape worm in caribou. The tape worm takes in the nutrients in the caribou. Soon the caribou dies and the tape worm gets its food. The algal cell fungal hyphae Food Web